Finding the Fourth Proportional to 380.99, 526.26 and 283.18
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Solution
The fourth proportional to 380.99, 526.26 and 283.18 is: 391.16
Step by Step Solution
- Step 1: Write the proportion equation
380.99 : 526.26 = 283.18 : x - Step 2: Convert to fraction form
380.99/526.26 = 283.18/x - Step 3: Cross multiply
380.99x = 526.26 × 283.18 - Step 4: Simplify right side
380.99x = 149,026.31 - Step 5: Solve for x
x = 149,026.31/380.99 - Step 6: Final answer
x = 391.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.